I really think that the biggest pros and cons depends on YOUR goals
I self manage my properties with the help of a VA and I like that I can be hands off now that my VA is trained. I know if we operated short term rentals I would need additional VAs plus it would be more headache for the team.
I've only operated 1 short term rental that I helped an owner convert to a midterm rental. I managed it for a few months and HATED it lol. With midterm rentals, there's a lot more work getting a tenant in the door but it's less work from the management side once someone moves in. The opposite is true for STRs.
MTRs have huge earning opportunities if you look into the B2B model. I've worked with government employees, families who have been displaced by fires, and other clients / employees who are my tenant but aren't financially responsible for the lease. Instead, a business (or goverment entity) is the payer of the lease. With this model I'm able to get a lot more than other MTR operators who are relying on Furnished Finder and Airbnb for bookings.
Being that I only operate MTRs, I price my fees to include this. For example, my cleaning fee on one property is $500, because that's what it cost for a deep clean between tenants. I pass this on to my tenants who understand that it takes a lot to clean a home after someone was there for month(s) at a time.