It does if the person making the statement has a track record, proven expertise on the topic - and in this case… it actually may mean something to other people
It doesn't mean we have to agree:
https://ludic.mataroa.blog/blog/contra-ptaceks-terrible-arti...
Yes, as we all know that unsourced unsubstantiated statements are the best way to verify claims regarding engineering practices. Especially when said person has a financial stake in the outcomes of said claims.
No conflict of interest here at all!