What problem exactly? I keep hearing this brought up by people who are very new to the ecosystem.

Please explain what the "problem" is?

Because it cannot be the default datacarriersize increase. I can't believe that.

If you're been around in the bitcoin space for even just a few years you will know that there are other ways to store ANY arbitrary data on chain, regardless of the default size of your OP_RETURN.

You are being played by a conman