Maybe the garbage brands. Milwaukee, DeWalt, Makita, etc are very well made, and significantly more powerful than they were 5-10 years ago.

Wat? The law of conservation of energy tends to disagree. Commuters are generally starting and ending at the same elevation so there’s no trick. We’re not going to convince anyone to carry heavy loads on bikes by saying “pedal more downhill to smooth out the power requirements if you hate grinding it out on uphills”, the answer is just ebikes.