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I don’t really understand why someone would take this to twitter instead of just replying with a quote or ignoring it.

Because Jeff Geerling is an internet personality and uses opportunities like this for publicity.

lol

For extra lulz - "I think I'll crowd source advice from teh intarwebs - what could go wrong"

Seriously Jeff, you do great stuff - I always enjoy your writeups and videos.

[edit] mispelt name

It's of interest to his audience specifically, and to the wider internet.