Which browser has a better security track record?
If you're paranoid, disable JIT.
It can’t trick Canva into letting you use the color picker, or otherwise enable it, can it - if someone happens to know?
(What a dumb feature to be locked to the Googlesphere.)
For non technical users, scam adverts are probably the biggest threat.
So i agree ubo is an important security technology, but its probably irrelavent to the topic at hand.