Idk how you would continue to work for the company after that.

Is this surprising?

That’s a different legal problem as there are situations where if you don’t protect your trademark you can lose it. But I’m not a lawyer and don’t know if that situation would apply to mods.

Tell Valve to not have a wired only option at double the cost then.

If your training is from in house sources possibly, although then you’re limited on sample size.

If the people are enjoying it then it’s not a bad game, it’s a game you don’t like.

Which is fine, spend your money where you want to.