More and more people are joining the community. I have the same feeling, that it's made to prevent spam. And it partly stops the withdrawal of
the capital from the platform so the price will be more stable.
This is the last article I've read about that: https://steemit.com/steemit/@venuspcs/bandwidth-exceeded-what-do-i-do-why-is-this-happening-how-can-i-fix-it-all-explained#comments
thx @yaan