His salary works out to $10,000/hr. The helicopter would cut his commute time by at least 2/3. On that basis, the helicopter makes sense.
Of course, you still have to ask whether it makes sense to live so far from work; and whether it makes sense to pay him even a faction of the amount he’s getting.
You seem to doubt that Mutt might have a quiet pied-a-terre or a hotel suite in midtown Manhattan....what are the odds?
;>)