@Tangerine: I believe it was Aeolus' decision in response to a thread where he felt that the public felt it should be a suspect. So, I guess the public decided it should be suspect. See
this post.
I'd like to see any Pokemon handled first before jumping to the clauses. In retrospect, I think it would've been wiser to test the clauses first since they could (theoretically) effect the outcome of Pokemon tiering. What's done is done though (and I don't think it'll matter that much anyway).
On a philosophical level, I'd love to test every Pokemon. However, I realize that's both impractical and unnecessary. So, I think its agreed we are only testing those Pokemon that we have reasonable suspicion it could be acceptable in OU play. In the case of Ho-oh, I'm not certain it meets that standard. I think most of us would agree that if Stealth Rock didn't exist, we wouldn't be having a discussion about the tiering status of Ho-oh. Most of us would agree that it would be uber given its movepool (fuck you Sacred Fire) and stats. Thus, the question is does Stealth Rock stripping 50% off Ho-oh warrant it to be tested. If going by the assumption that we only test if we have a reasonable suspicion that it could be acceptable in OU; I'd say no. Stealth Rock doesn't do enough to make me believe there is reasonable suspicion it could function in OU; and should every team be required to use Stealth Rock and use a Ghost to prevent Rapid Spin on every team? Ho-oh could severely hamper a team if it gets in before Stealth Rock gets up, early in a match this can be prevented by something like a Taunt Aerodactyl lead. If Ho-oh gets in before you can set-up Stealth Rock; it won't be a pretty picture. There's also Wish support to alleviate the Stealth Rock weakness and Wish Jirachi is an excellent defensive complement to Ho-oh! We have Rapid Spinners. Even a gimmicky option like Rapid Spin + Foresight Hitmontop to get around Ghosts wouldn't be terrible. I'd argue that Ho-oh is effective enough that Ho-oh would pick up the slack on the reduced use of Hitmontop's spot, but that's just an opinion (Moltres doesn't pick up enough slack for a team member like Hitmontop imo to make him viable like Ho-oh does). Finally, Ho-oh has access to Roost to alleviate Stealth Rock and he can easily come in on a lot of top Pokemon like Scizor, Heatran, Metagross Infernape (nobody runs Stone Edge lol), Jirachi, Blissey, etc. and net himself a free Roost. Given all those viable ways to get around the Stealth Rock issue I don't think Ho-oh is burdened enough to be considered viable in OU.
I'm not opposed necessarily to testing, but if given the option I'd prefer he not be tested. Interesting to note, a Life Orb Sacred Fire / Earthquake / Thunderbolt / Overheat or Roost set could single-handedly ruin stall as a viable option.
In the case of Deoxys-D, I do believe he would ultimately be found uber due to the huge amount of support options available to it. However, the arguments for why it may not be uber (lack of offensive power, mediocre defensive typing etc.) are more difficult for me to counter (as opposed to the case of Ho-oh) so if anything, it should be the next Pokemon Suspect.
That is all.