Peter Todd emphasized that the OP_RETURN limit increase in Bitcoin Core 30 reflects current usage patterns and will support applications like sidechains and cross-chain bridges

Quotes that support claims

“It doesn’t make economic sense to use OP_Return for large amounts of data,” Peter Todd said in a reply, adding, “Witness space is cheaper. And we already consider transactions up to 100KvB/400KB to be standard.”

“The restrictions are easily bypassed by direct substitution and forks of Bitcoin Core,” Todd noted in his GitHub comments.