Just out of curiosity - is it largely just "I only speak Japanese and don't know how I'd deal with a foreigner" thing or do those kinds of landlords tend to thi

Just out of curiosity - is it largely just "I only speak Japanese and don't know how I'd deal with a foreigner" thing or do those kinds of landlords tend to think negatively of the foreigners? As an immigrant I know it can be a bit fiddly to resolve some things when there's a language barrier, but as long as both sides are patient and willing to try things can go relatively smoothly