I encourage people who are against this proposal to add their feedback in the github PR and make their voice heard.

If the pro-spam idea doesn't find resistance, there is a chance that it will make it through. And Bitcoin's blockchain will become more and more a storage layer for any kind of shit, departing from the original vision of a peer-to-peer electronic cash system.

If you run a node, ask yourself: would I put this change in my node? If the answer is no, go to the PR and explain why.