The the idea was for (Championship) FFP fines to be paid to the compliant clubs, then there was an element of levelling the field. Shame this got kyboshed by Premier League self interest.
Because however badly its written, and noting your stance that it is a curb on newly rich clubs progressing, the fundamental spirit of the thing is to encourage clubs to live within their means. Which in the opinion of many, can only be a good thing.
I note your egrument - why shouldn't Mr X...
They didn't though.
Cellino failed the test because he was convicted of fraud in Italy. His lawyers appealed THAT conviction, not the FA's ruling, then once the appeal process was underway (and thus he was not [yet] guilty) the FA ruling had to be overturned (or at very least suspended)