Well after a few testing games I can confirm the following:
Pros
Enjoyable games to watch
Very good strikers efficiency
Strong with attacking corners
Powerful at creating CCCs
Everyone seems to be involved during the attacking process :
AFs are all about finishing occasions as well as...
Yeah I just saw results from FMA's test : strong scoring abilities and seems not too leaky at the back (especially for Fav teams)
Now there's at least two testing methods saying it has good results on FM 19.3.4 : the tactic's owner and FMA so they can't all be wrong.
I shall give it a go since...