2) Did you do anything to help them or check in with them genuinely about the impact COVID-19 had on them?

Essentially you cannot move a tenant out unless they are damaging your property and even if they are, it will take months if not years to get them out. 

How is everyone faring? Have you seen a scale back in profit? What changes are you implementing in your business to keep it running and profitable?

Essentially you would buy with some amount of direct payment to the seller and then assume their existing mortgage.You can research "seller financing" and "subject to" sales on BP to get a better handle on what these would me for your situation.

Is also possible with private/hard money or seller financing where you can essentially be as creative as you want

It simply means you haven't seen or understood the impact yet. 

Yes, STRs are heavily impacted right now, but like all things, this will pass and people will want to vacation and will need places to stay...so it's a matter of having capital to weather the storm if you do find a good deal. 

They are going to cut a big long slit in the ground, so it's likely going to impact whatever you have there. 

The economic impact has yet to hit I would think.

Therefore, it is important to do your homework and examine all of the potential fees and expenses that will impact the overall return on your investment.