Yesterday I saw three on the MUP. Older couple with their daughter who pulled her daughter in a child trailer. They had these:

https://www.greenbikeusa.com/products/gb750mag

The couple had an RV, so the folding feature was a requirement for storage. They had just gone around 18 miles on a pretty good grade higher and their batteries were down to 80%. My take away was that they would not have been able to do this on a non-electric bicycle. So, the electric bicycle has opened up cycling for more people. I also said to myself that when I get to the point(old age) where pedaling is a problem, the electric bicycle might be an option.