The link stays in the browser and jumps to m.youtube.com, but then presents a message I've seen before: "The content owner has not made this video available on mobile. Add to playlist to watch it later on a PC." I don't fiddle with youtube much, so how you "make it available" is unknown to me.
Interestingly, if I use the dedicated YouTube app on Android (vs. the web browser), a search on "Democide" and variants, including the full literal string "DEMOCIDE: Socialism, Tyranny, Guns And Freedom", yeilds nothing at all -- you video isn't even listed. Don't know if that's because of the same restriction, censorship on YouTube's part, or what.
Schumer really does have an unlikeable personae. Wondering how he ever got elected it seems to me that the electorate in his area are just fanatical leftists.