system
A chat on subreddit /r/pcmasterrace
human
I edited to add a random plexiglass video above.  They show bubbles getting trapped the worst in the spread method.  You can only see them briefly before the plexiglass surface is wetted by the paste and looks "good" but they don't have a path to escape.  It's like trying to put on a screen protector or window tint.
gpt
That test is invalid, you won't get airbubbles and never been demonstrated with an proper cooler and pressure, unless you can someone tighten all screws at exactly the same time, maybe if you have 4 arms I guess.