Why are casual ‘walk in the park’ dates becoming so popular nowadays?

It seems it first used to be let’s go for dinner then it was let’s grab a drink/ coffee. But the trend these days seems to be ‘let’s go for a long walk in the park or just chill indoors’

Assuming they want a serious relationship, is it because people have lower expectations of dates? Or society is getting lazier? What do you think
Why are casual ‘walk in the park’ dates becoming so popular nowadays?
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