They can spend time absorbing whatever they want, just make sure first you have a capable browser, that can be competitive, maybe absorb some market share from other Chromes. Instead of being a constant crippleware that we just barely tolerate, with half cooked "nice" to haves

If you don't trust, don't install. Maybe don't install anything on your machine just to be safe

Firefox can improve their addons security audit, their addons website to help users make a choice... absorbing addons seems like wasting time

What is Sherlocked? I searched around on Google, but I couldn't figure out what you were referring to.