Tarrant county is still red. Just slightly more purple.
https://www.star-telegram.com/news/politics-government/article246726786.html
Would be a shame if the machine next to the one you use to vote on got a bottle of superglue dumped on the buttons.
I saw that article as well but if you look at the later articles by the Star Telegram you find out that Biden did indeed win Fort Worth.
To my mind, your article and the later articles are good evidence of fraud. The vote changed over a period of about 5 days in Tarrant county.
Here is a lefty publication in Dallas describing the progression a few days later: