Removed the BCH spam link. No, this is NOT the main approach to that. The main approach to that is the Lightning Network, which is not yet in production.
Your "main approach" is a hardfork that increases the block size, run by someone who owns the bitcoin.com domain, regularly misrepresents what Bitcoin Cash (bcash) actually is, and goes on live shows yelling obscenities and flashing the middle finger very professionally when these things are pointed out.
So, no, Bcash is not the main approach to "fixing" Bitcoin. It is a wholly separate coin with trading volume less than one-third of Bitcoin.