You likely need to delete your service workers for Twitter and let it re-create them.

That's pretty unacceptable considering the size of the userbase, most of them probably never heard of service workers

I’ve been in software development for almost 10 years and I had no idea about service workers.

I believe this fix only applies if you have an old version of their service workers. I remember reading some esoteric nonsense about why it's the case. I agree with the user you replied to, it's absolutely absurd that doing this is the "fix."