Bitcoin Core stated in its June 6, 2025 joint statement that discouraging relay of predictable, mined transactions undermines performance and coordination

Quotes that support claims

The developers said the main goals of transaction relay are predicting what Bitcoin transactions will be mined, “speeding up block propagation” for the transactions expected to be mined, and helping Bitcoin miners learn about fee-paying transactions.

Knowingly refusing to relay transactions that miners would include in blocks anyway forces users into alternate communication channels, undermining the above goals.