We run with:

It would be useful to have env flag to enable it on some boxes.

Part of investigation related to

• bitswap/server: WANT_HAVE requests should use Blockstore.Has boxo#657
• maxBlockSizeReplaceHasWithBlock https://github.com/ipfs/boxo/blob/88beadf0804607dedc7a4aa12cfef47381a74f89/bitswap/server/internal/decision/engine.go#L206