It's a very bad security practice to completely let one's guard down just because they think they are using a purported secure operating system.
That being said. uBlock Origin has really done me a huge service to block all those unnecessary ads from my browsing results.
Reality is not far from your statement, what baffled me is how they strategizes to ensure they achieve their aim, one must always apply caution and also improve in safety as the hacker or scammers are not limiting themselves to strategize so should users of the items liable to hack increase their knowledge to avoid victim.
I know is not easy as there remain some laspse that may occur most time but smartness is very important and avoiding many unknowns app or those that act as virus interrupting a download can help because some scammers uses those app to traps people details that help them. Another important area is unknown exchange requiring your KYC should be avoided for the hack or scammers sake.