40 years ago, if you wanted to buy insurance or stocks, you talked to a guy in a suit who made a very good middle- or upper-middle income selling you products or services that lined his pockets but weren’t a good deal for you. If those are the kind of jobs that are gone, good riddance.
You would have a good point if the jobs around now didn’t involve showing up to work in a convenience store in stretch pants and a bowling shirt complete with logo...
Many professionals used to go to work in suits; this country has declined since many of them have lost their jobs.