Are we a lower trust society today than 20-30 years ago?

Question per the title.

I made a post in r/AusFinance asking about how do people rent out a spare bedroom in their house. Growing up in the 2000s, I always thought it was common place to work on a verbal and cash agreement, having seen it first hand and it worked out pretty well. The ask was just to be kind, respectful, and considerate. Everyone got along and there was an understanding between each other. To be fair back then, advertising was done mostly by sticking flyers on telegraph poles.

Something that came through some of the replies (beside explaining the various arrangements) was that such agreements aside from being dubious, you could also attract the wrong kind of house mates or putting a bit too much faith into someone else being an alright tenant.

This had me thinking more generally as the society we live in, do we inherently trust each other less now?