Not a lecture.. it is common sense. Lots of people get rejected online for the 90 day report for no apparent reason. Those people generally walk into Immigratioon office, and get the tick of approval for the 90 day reporting with absolutely no hassle, and no fee.
I agree. If he hasn't got the supporting funds then maybe he does not belong n Thailand. I think the DVT is a bullsh1t rort of a visa that will allow 'anyone' into Thailand for 5 years.. (I say 'anyone' which you don't really need to guess what types of people I am referring to) 🤦