TCP checksum and TLS checksum/macing both have use case. Not every protocol built on TCP supports TLS. If TCP checksum is broken, we have to fix it. So I agree

TCP checksum and TLS checksum/macing both have use case. Not every protocol built on TCP supports TLS. If TCP checksum is broken, we have to fix it. So I agree with below delusional is too strong. If a simple checksum is buggy, how can I trust anything about said TCP protocol implementation? How can you reassure other data integrity implementation isn't buggy? This bug isn't really about whether TCP checksum is weak or not, rather, just a bug which I suppose most people ignore.