Like @WilboShakespeare said, they are fixing bugs, because if there were players still playing there would be lag and all the bugs would still be happening, so they are just trying to fix them now
When applying, apply for the server you play most, i would say, or even better at I guess, then you can also apply for the other server some how while staff.
I may have not talked to you so much, but I will miss you. I remember your awesome base last season and your personality. It's sad to see people that mad a difference leave, well, good bye, and have a great adventure!