These things drive down the numbers of cyclists, which increases the general feeling that they aren't accepted, and that it's not worth it to cater to them.
> if we could just use those forbidden things called school buses and public transportation.
If they were available and timely? Sure. We have buses in my area. They come hourly. They aren't practical unless you have a lot of spare time, and each connecting bus compounds the problem. I can get to some nearby cities by train, but it's almost always more convenient, faster, and cheaper to drive there myself.
Cars will become a luxury instead of a necessity when those problems are fixed...and those problems will be fixed when cars become unnecessary for a reasonable quality of life.