system
A chat on subreddit /r/wallstreetbets
human
That's a good link and quite possibly could be another reason for him doing so.  
  
 I actually remember hearing this described on a financial radio show a few weeks ago.

gpt
Financial adviser here. It's accurate and called the fairness rule. The company is probably paying the average employee very little compared to executive pay and is now on a forced safe-harbor-match, or else the execs will be limited to a lower contribution. It vests immediately, which is nice, but is ultimately less money in the average employee's pocket.