Because of this, the upgrade is often criticized due to it making the Monkey Farmer even with its Pro upgrade redundant.
However, it is extremely efficient in high rounds where you have lots of money, and it can help when you put farms near your Bloonchippers.
Al's Custom Chippers is the only Specialty Building in which a tower other than the tower specialized is needed to make its Tier 4 upgrade effective.
According to Ninja Kiwi's 1st July 2022 blog, Al from Al's Custom Chippers in the Bloons TD 6 Generation works with maintaining monkey-operated vehicles such as helicopters, planes, and ships, as well as monkey-operated machines.