Convicted child sex offenders doing what? I googled "drag queen story hour" and I have no idea how it connects to call blocking and telecoms.

I'm still not following. What do you consider "drag queen storytime" a slippery slope to/from? For that matter, which end of the slope is it?

Are you aware that the "slippery slope argument" is a logical fallacy? https://en.wikipedia.org/wiki/Slippery_slope