You can minimize the attack surface with certain fingerprinting resistance settings at least.
I personally don't see why easy interactivity would be inherently a bad thing, plenty of apps that you would have to install directly on your system can instead stay isolated in your browser and never have access to anything else outside of it, particularly useful for proprietary web apps that we're forced to use, those same apps that go as far as to beg you to install their native counterpart on your PC, which is clearly an attempt at data harvesting and increasing user retention. Also useful for simple stuff you need once in a while and it would never make much sense to have installed