In this point you're right.Practicaly 5d are much more convinient but what about beauty?On the other hand many of stilo owners are young so they maybe don't need another pair of doors..
OI you calling me OLD I'm only 58 and I do a good 5 dr conversion on the 3dr free of charge with my angle grinder whether the doors will fit mind you is debatable but the service is free never the less