I mean, fair, but also: if the implication is that vaccination is the key to reducing covid symptoms - no shit? Also, the article you link mentions 10 percent rate of omicron cases leading to long covid (not mentioning how vaccination rates play into it), so...
Assuming I have a 100 close ties (I have significantly more), and just one of these exhibiting publicly that they have long covid seems highly unlikely. According to the below link, 60% of the US population has caught omicron. The probability of only one of my sixty close ties having long covid is ~1.2%. So...
https://www.statnews.com/2022/04/26/with-omicron-nearly-60-percent-in-us-infected-covid/
Absolutely. Always consider medical statistics based on self reporting with a grain of salt is all I'm saying. Obviously, my back of a napkin maths based on my personal circumstances shouldn't be used as any kind of evidence on your behalf. This is also why I say it's based on my own anecdotes.