I wonder what percentage of people in tech are working to cash out some way. 60%? More?

I argue it is both understandable (autonomy is a healthy thing) and also damages the culture at large.

Most by far are working for someone else. They get no stock option, or if they get them they are of minimal value. Their generally get a good 401k (us only) and so can retire well off but would not call themselves rich.