God, that takes me back. MSHTML, the mismatched tags, <font>, table layout, the webmaster that added the Google Analytics snippet before the DOCTYPE tag
That's because phone browsers have the insane braindead default of scaling everything into tiny unreadableness. You have to explicitly say "stupid browser, nobody ever wanted this shit, behave sensibly by including <meta name="viewport" content="width=device-width, initial-scale=1.0">. No idea why this idiotic custom still hasn't been purged from mobile browsers, but I guess it's just a valuable tradition now...
Before mobile browsers arrived, everything was fine and nobody needed meta viewport stuff. That's why this 1997 era page doesn't have it.
They did - their list wasn’t all related to _your_ post, other than to say the site is “perfect” to them, after which they enumerated the reasons including “does not require JavaScript”