nope. the ISPs track torrent downloads is by leeching off of the popular public ones, and checking if any of the peers have IPs that belong to them. not by analyzing each customer’s traffic individually.

downloading a video off youtube makes a simple HTTP download which wont trip any ISP alerts. especially since it’s a trusted domain like Youtube

for Firefox there’s now Vimium-c and Tridactyl. personally using Vimium and its been great