I wonder if the lack of voices you notice is at all related to the well-publicized data indicating conservatives do not feel they can express their opinions publicly without risk of punishment.
It’s just not a winning proposition anymore; there’s not much market for “conservative who is reasonable”.
I also disagree with the idea that conservatives are being punished for their opinions. Rather conservatives have been complaining that they are no longer allowed to punish other people for the way those people want to live their lives. A couple of examples:
1. The "Don't say gay" bill in Florida is not about people who were teaching about sex to young kids (there have been no actual accusations of this, only badly worded things that sounded like this). It is entirely about teachers teaching that it is ok that a child in their classroom has two dads or two moms. It is trying to wind back the clock to when those families would have to be kept "in the closet", or face social shunning.
2. In the recent case of the football coach who lost his job for leading prayers on the field after games. That one is again about the majority wanting to be able to use social power to push its religion. Despite what the majority of the Supreme Court said, he absolutely was using his position as a coach to push his religion. There was even testimony from a player who felt pressure to participate in order to get playing time.
Conservative voices are a bit suppressed in some places, like on Campus. Some don't like to accept that, but it's true. But it's a kind of Social Justice institutionalism that would be the issue there.
Otherwise, 'classical conservatives' who voice their opinion against Trump, are also ostracized by that far right gang, which is very true. So that's a different kind of 'fear to speak up'. Liz Cheney is getting punted out of Office for that right now.
But that has always existed - the centre/far elements of 'each side' definitely have wars. You can see it play out at the NYT editorial staff among the Social Justice left (younger) and the Traditional Liberal left (middle aged).
I don't feel that Musk can be reasonably located anywhere in there.
I think it's a bit misleading though. Who would goto college and listen to somebody repeat ad nauseum their parent's conservative talking points they've already heard their entire lifes? Or listen to someone even more radically conservative than their parents?
Also a lot of those "suppressed" people were just openly bigoted and claiming to feel persecuted when they're not allowed to persecute people they don't like.
Your assumption that 'conservative' voices lack in legitimacy and are merely repetitious of their parents views, and worse, that they are trying to 'persecute' people is itself obviously bigoted, and gives us a crystal clear example of the problem.
Even views such as 'people ought to be treated for who they are and not their intersecting identities' is oddly 'conservative' in 2022. Or 'Trans women are different than women' - some argue is a transphobic/conservative position. etc.
Claiming to do this while doing the opposite is a popular "conservative" position in 2022.
I've seen the logic train be that bad. Cancel culture has no end.