I agree with you, and yeah the convenience factor is in fact a huge problem and is highly exploited. The only thing I saw working are in fact laws to make the switch to another “service” more convenient (e.g. you have a messaging app? your protocol must be open source so that other clients should be possible by law, idk how feasible is this, but u get the idea).

• move up / down 10 lines
• select the next word and copy it
• select the next word and paste over it
• rewrite the previous letter with a different accent ( a sort of tap dance)

TLDR: no black hole was “detected”, they were studying a cluster, and the presence of black holes might explain how the stars are positioned.

You actually summed it up pretty well! The few things I buy for myself are mostly “tools” to do/learn something that indeed fit your comment.