As i see more and more PvP Streamers advertising PvP Boosts for Real Money via Discord since the war within.
is it now allowed? If not why nobody from blizzard take action against this and close accounts/delete bought rewards so people stop doing so in the future.
Boosting as such is allowed., but …
Why Blizzard are not doing anything? They don’t care. That is the only explanation I can see after reporting countless boosters in Era and later TBC - people still advertising for boosts in LFG channel on a daily basis. They outright laugh at Blizzard 
I disagree, we’ve seen quite a few threads where boosters and/or service advertisers have been penalised. You also posted in those threads.
Nope. Though as you’ve noticed this happens off-platform and therefore Blizzard cannot accept proof from there. All proof must be collected from within the Blizzard domain.
They may or may not take action including those mentioned with or without reports. Typically from experience they ban at the end of the season so they can’t hop on a new account to attempt and receive the same rewards again for that season.
Unfortunately cheaters gonna cheat, whether they get busted or not.
If you have feedback about this matter you may always suggest it through the ingame tools or re-post or move this topic to a non-support forum as typically Support don’t process these.
Thank you!
I personally report 50+ each and every day - and have done that for a long time. If Blizzard reacted or their report system worked I would see new names and not the same lvl 60’s advertising for boosts.
So no - Blizzard are not doing anything other than maybe a ban here and there to please whoever cares.
And then there’s the guilds ran by gold sellers. They are almost impossible to report, but when you get an invite you have discount codes for gold sites in the GMOTD. Also reported losts of those guilds - but they are still going strong.