Pretty much title.

He works at Shopify and has a ton of Shopify stock as part of his compensation over the years.

The other day he went on a 20 minute diatribe about how the liberal government is going to just yoink 50% of his capital gains. When I gave a puzzled look and said "no… 50% of your capital gains are taxable, not taken from you" he insisted he was right in his particular case.

I'm almost positive this is a WILD misunderstanding on his end, but just in case, before I berate him for his idiocy, is there any possible situation where long-term capital gains would be taxed at a rate of 50%?