Comment by alwa

I mean—they can. They don’t need to give more than they’re already giving we anonymous strangers for free. For all we know, this person wrote this for people they encounter personally or professionally, and we’re just incidentally benefitting.

We as readers should gauge their credibility for ourselves, whether by reputation or by checking the claims. I don’t know who wrote it but it seems basically correct, consistent, and concisely argued to me.