system
A chat on subreddit /r/wallstreetbets
human
But it takes the same resources to deliver it as they have it. Delaying is extra code and costs more money

gpt
They have to pay the exchanges though. When you have a funded account, the brokerage makes up for the cost of the live data feed via your commissions or interest on your idle cash. 
  
 For example, if I remember correctly, TastyWorks doesn't support sugar futures because the exchange that controls those futures wanted TW to charge their customers extra fees for the live data, and TW wouldn't do it.