I don't know anything about you being banned on sourceruns and im sorry if you've had some bad experiences with other runners. It's best not to take what anyone here (or on sourceruns) says too seriously, it doesn't really matter; having fun doing what you're doing is more important.

the host_timescale console command is restricted by sv_cheats 1, which you're not allowed to have enabled when speedrunning to stop people from cheating. Its not forbidden as far as the game is concerned but your runs wont be valid as far as the community is concerned.

yes he does

I think its dumb that so many people really have a problem with waiting 53seconds at the start of a run... Also if you start the run at 53 seconds, then you're not really timing once you gain control, youre timing from an arbitrary point in the game just to make resets faster. I understand you can make the argument that the end result is the same either way, but to me that doesn't justify starting the game from a save instead of from the actual beginning of the game. If part of the game is adding to the total time, then that part of the game should be actually played instead of skipping an arbitrary amount of time and adding it later.

This could also actually have an effect on times, as like BiiWix pointed out people are more likely to get sub2 00/01 even if theyre not at all consistent at doing it since resets become almost instant. In a way this lowers the skill gap between runners since it becomes easier to get.

How long until people want to skip the 4:30 of elevators in the game? Pretty much every pro-vaultskip argument here could also be applied to that, but im sure a lot of people that are for the vault skip would be completely against that, despite the vault being as much a part of the game as the elevators are.

Speedruns should be about going as fast as you can within the constraints of the game, not starting the game a minute in because its easier.