Unless it‘s a large landlord, chances are that the renter is more liquid.
I didn't find a great source on this, but the average landlord in the US seems to own 3 properties. [1]
[1]: https://www.mysmartmove.com/SmartMove/blog/todays-landlord-c...
English courts are notable for requiring the defendant to prove what they said was true. It is common practice for the world’s rich and infamous to take a trip to London whenever they want to chill their critics’ speech:
edit: I read the rest of that Wikipedia article, seems a decade ago something was done to at least reduce it -
"On January 1st, 2014 the Defamation Act 2013 came into force, requiring plaintiffs who bring actions in the courts of England and Wales alleging libel by defendants who do not live in Europe to demonstrate that the court is the most appropriate place to bring the action. Serious harm to an individual's reputation or serious financial harm to a corporation must also be proven. Good faith belief that a disclosure was in the public interest was made a defense."
That puts unreasonable level of burden on one being slandered (i.e. the victim) and would allow one doing the slander just make up stuff that is very hard to prove that the victim didn't do.