Also, it should be obvious that sources from the cryptocurrency industry have a conflict of interest. If there are better sources than something like Binance, then those should be used. If there aren't better sources, well...

Lightning isn't Bitcoin. It's an L2. It helps implement actual practical payments for Bitcoin, and doesn't (afaiu) manage account balances. In other words, you cannot seriously compare it to Mastercard; you've gotta include Bitcoin itself.