Certainly I only know the details you provided; however, some compassion may be in order. 

They deliberately abusing landlords' compassion and taking advantage of their kindness.Today I finally met these owners which I tried to get in contact with for a while, because of continuous disturbance from their tenants. 

A go to tool for a good land sales guy ( me) was a metal detector to find those rebars that were put in 20 30 40 years ago.we worked subdivisions that were originally surveyed in the 20s and marked with redwood stakes.. and being CA that means they were at some point burnt down.. so you just looked for OLD little pile of ash's  :)  I had the 100 ft roll tape  could work out declination on my compass for true lot line direction then whip out the metal detector and try to find the rebar in 10 foot area.. worked most of the time.my current project Ivyridgeestatescanby  dot  com  our front lot line splits the sideway in half.. so surveyor comes back after we poor sidewalk  ( our responsibility financially) and monuments the front lot lines with brass markers in the concrete. there was a true art to selling rural lands..

Madison Kissel with Compass

Taxes are a necessary evil to ensure people contribute at least something to the coffers, because like I said before people's compassion stops at their own convenience. 

Some fundamental assumptions on where to live are on the brink, it is a good time to show compassion, and there is no reason to give the perception of landlords trying to screw tenants.

It can often be difficult to separate business from compassion when you're so close with other people and you may become an easy target to be taken advantage of.

By the bigger brokerage, Oxford Realty, I have been recommended brokerages like Keller Williams, Compass and Remax, which all have several reviews with questionable reputation, as I have seen on Glassdoor & Yelp, so I am doing this with extreme caution.

Yes, not being able to pay rent due to COVID hardship deserves compassion.

I agree that you may have to look at some situations differently with a little compassion for the situation but bottom line is, I'm running a business market rates have increased on average over 8% this year in my market.