Flow is more sound in a lot of ways (e.g. exact object types, by default!) but it also has huge holes (e.g. it has no equivalent to --no-implicit-any, the singl

Flow is more sound in a lot of ways (e.g. exact object types, by default!) but it also has huge holes (e.g. it has no equivalent to --no-implicit-any, the single most important strict flag in TS). Neither is strictly more sound than the other.