That hatcher hasn't answered the last few posts in the TSV thread on reddit, but is still active there. You might be able to convince them to do it for you if you contact them directly.
https://www.reddit.com/r/SVExchange/comments/42ygzk/2920/
You can never reach the same max Speed as a mon with a 31, so you will always be outsped in a mirror match against a mon with a flawless IV. The only reason to ever use a flawed Speed IV if your mon wants to be as fast as possible, is if you really need Hidden Power Fire coverage. 99% of the time flawed Speed is a serious dealbreaker for anything that invests in Speed though.
1 point of HP, Attack, Defense, Special Attack or Special Defense will very rarely decide a game or significantly influence the outcome of a battle.
1 point of Speed can easily decide a game though.