There's no definitive answer why this is happening.

So.. The bandwidth issue is.. Magic?
What could be explanations?
Where in the code?
What are developers saying?
If steem wants to go mainstream and not stay in this small niche, it has to be addressed.

But upvote, you are the first witness these days to even mention it.
The others don't care or realise, as they have to much power to be affected.