that is 9$ down the drain.

What those service did is sending out-out request enmassed for you.

Whether your data deteted is depend on those receive and honor the request.

This is their homepage, in case anyone is looking https://www.mirror.co.uk/

it is appear that the series down. Did you back up yet ?

I think RWBY release everything for free. (https://roosterteeth.com/series/rwby) You need sign up and watch some ads on between.

If you can watch from official source then no need to pirate.