I can't imagine Twitter/Facebook/etc. actually changing what a user wrote, in any context. This does reveal something about Reddit and I would be less surprised to learn they are editing other posts.
Do you really imagine a USA that didn't lock down doing as well as South Korea and Taiwan? Look at our numbers with the lockdowns.
The Asian countries were only able to do what they did because they were prepared, culturally and logistically, for a viral epidemic before one arrived.
I have long ago turned all of Google's activity tracking preferences off and erased the existing activity, yet once in a while some Google service reveals to me that it knows something it shouldn't.
A lot of (most?) tech industry workers change jobs every 2-3 years and develop no particular attachment to or long-term plans for remaining at a company.
This is the textbook example of what not to do with SQL queries. You can't even learn SQL or an SQL library API without being warned against this a dozen times.
If the CTO pushed this code, and the processes the CTO themself is responsible for designing did not catch this, it is safe to say the CTO is incompetent.
It is estimated that the carbon footprint of a single Bitcoin transaction is 660 lbs of CO2 (not a typo), equivalent to that of 670,000 VISA transactions.