I am much too polite to suggest that you may be missing the knowledge of the how the Non O-A visa works and the imagination to imagine how other people might use the visa - but I am sure you would be quick to dismiss any specific examples I give as unrealistic or irrelevant
so make some effort yourself and read up on the non O-A visa and try to imagine who might perhaps be interested in a scenario like spending two years in Thailand doing just 90 day reports and perhaps one re-entry permit application, no extension of permission to stay, no proving transfer of funds to Thailand
and remember, don't base your cost/benefit analysis just on your own ideas of value for money and convenience - unless you are just justifying your own personal choice - because even for people who want to "retire" to Thailand "forever" the difference between a Non O visa and extensions in Thailand, multiple Non O-A visas from your home country and even an Elite visa are based on other people's personal choices and shouldn't be dismissed just because you think you know better about what is best for them