Then fill in your own example where the identity of the teacher, or other element of the classroom environment is incondusive to teaching and you have the same point.
The IDENTITY of the teacher, and any woman really, is not "porn star." That is not who she is. That is what she did at a period in her life when she felt she had no other option to gain the money she needed.
Nor is her past decision an ELEMENT of the CLASSROOM. It did not happen in the classroom, it was not told by her in the classroom, she did not make it a matter in the classroom, students found it on their own.
Your example is flawed because a teacher coming into the room dressed as something being considered unprofessional and not commanding respect is making the choice on how they are actively walking into that room and presenting themself to the students. This woman did not make an active choice to alert her students she got banged for cash while a camera was rolling.
This whole excusing of the students in her classroom for catcalling and making you scrubs act like she had 0 control whatsoever over her classroom is stupid beyond all belief. Is there no discipline system at this school? Students do not NEED an actual reason to harass a teacher, be disruptive in class, or otherwise hamper the learning environment. If they are going to be obnoxious little brats they will do it. Saying that her porn career is the REASON for their crippling stupidity is just plain false, it's merely the excuse they are using to be disruptive snots and act disrespectful while thinking they have a justification for it.
If the school's larger authorities did not discipline these students properly for their actions then fire the principal too since s/he's clearly not doing their job, or not capable of enacting a proper punishment.
The misogyny in this thread and the justifications for 'comparisons' to explain how this woman was somehow actively detracting from her own classroom is just pathetic because of how hard those who are sitting around herping in their misogyny are trying to act like they aren't. Just because you did not make a post like Logan's which is clearly trolling/just sad does not mean your views of women, their actions, and who to 'blame' and where to put responsibility aren't also problematic.
I do not agree with pornography, I don't like it, I don't think it's ever respectable to resort to, I hold no respect for male and female porn participants or those in the industry who produce porn.
However, this woman made an unfortunate choice in the past which she has clearly chosen to not take any part of in her current life. It was not her telling her students WATCH MY PUSSY GET SLAMMED, it was a discovery they made which then became a big issue because LOL SEX also her fellow teachers seem to be the biggest busybody snoops.
IMO she'd be better off moving to a more liberal state/area where she could possibly get a teaching job where it wouldn't be so critical if her porn career was discovered, however, being in the news like this might just make her sour milk for teaching at all now? Depends.
If you want to make an actual example of "has a teacher's action made them ineligible to teach/command respect in their classroom," you should try "this teacher was smoking weed and getting high on X drug here in the 80s, they stopped and moved on from that, some kid finds old pictures of them getting high, are they now not allowed to teach/do they not command respect/can they not have changed their mind or taken a different perspective and point of view towards it/should the kids yelling SMOKE WEED 420 YOLO HUFF PUFF not get punished while we put the blame on the teacher being unable to 'control the classroom' when it seems like there was no support for this teacher in their authority system."
Consider.