I did this under Debian Buster (Xfce).
It seems that Mediacenter starts and stops much faster.
I can not find any other advantages.
ps -T -eo pid,tid,class,rtprio,ni,pri,comm | grep mediacenter23
5677 5677 TS - 0 19 mediacenter23
5677 5905 TS - 0 19 mediacenter23
5677 5908 TS - 0 19 mediacenter23
5677 5911 TS - 0 19 mediacenter23
5677 5914 TS - 0 19 mediacenter23
5677 6707 TS - 0 19 mediacenter23
5677 8705 TS - 0 19 mediacenter23
5677 8707 TS - 0 19 mediacenter23
5677 8709 TS - 0 19 mediacenter23
5677 8711 TS - 0 19 mediacenter23
~$ ps -T -eo pid,tid,class,rtprio,ni,pri,comm | grep mediacenter23
17058 17058 TS - 0 19 mediacenter23
17058 17240 TS - 0 19 mediacenter23
17058 17241 RR 56 - 96 mediacenter23
17058 17242 RR 46 - 86 mediacenter23
17058 17244 RR 99 - 139 mediacenter23
17058 17302 RR 43 - 83 mediacenter23
17058 17308 TS - 0 19 mediacenter23
17058 17309 RR 46 - 86 mediacenter23
17058 17310 TS - 0 19 mediacenter23
17058 17312 TS - 0 19 mediacenter23
17058 17313 RR 46 - 86 mediacenter23
17058 17367 RR 46 - 86 mediacenter23