They know. It's not a coincidence we got a metric fuckload of different ways to set up hazards, more mons getting spikes in their movepools, and stuff like Gholdengo all at the same time. My semi-unironic conspiracy theory is that Game Freak is actively trying to kill off singles so we all go play their corpo metagame where they can actually make money off of us- otherwise, imo, none of the massive balancing changes they've made this gen make any sense. Hazards are non-existant in VGC for very fundamental and obvious reasons, the removal of transfer moves has 0 effect on VGC because they haven't had transfer moves for over a decade, and the nerfs to stuff like recover is obviously targeted at singles as well since bulky team styles are unviable in VGC, so you wouldn't ever want to run recover anyways.
They want singles to be an uncompetitive HO hellhole so we stop playing our format and start playing the format they can easily monetize. I 100% expect next generation to remove the ability to play singles with others locally or online at all, so be prepared for that.