Also, usually the tenancy laws are much less strict when the landlord is sharing the dwelling with the tenant. There is pretty much zero chance that they wouldn

Also, usually the tenancy laws are much less strict when the landlord is sharing the dwelling with the tenant. There is pretty much zero chance that they wouldn't have been able to evict him quickly if they had good legal representation. This is more of an example of how the legal system is unfair to people without good legal representation than it is of how tenancy laws are unfair.