Is This Vibrant Democracy in Japan, or Has the Circus Come to Town?
nytimes.com
nytimes.com
https://en.wikipedia.org/wiki/D%27Hondt_method
The problem may be that the elderly form a voting bloc, which can sway elections. Maybe this profusion of candidates indicates there are a lot of smaller groups that also want representation, but have trouble coordinating to win concessions from the larger voting bloc?