With its pros:
several nozzles are replaced for two times, two batteries, a compact charger, versatility and compactness of the set.
very convenient to use when you consistently need to cut something to size, grind it, screw it on - just flip the nozzle and go
Different cons:
few consumables in the set (for example, only one blade for a jigsaw and only for wood)
at the beginning it is difficult to rearrange the nozzles, but after 1-2 hours everything has run in, so it is not critical.