You're missing the point; AI knowing the depth at any time is not simulating, and it's a sim after all. Btw it was a response to the mechanic proposed by JU_88. You're taking it out of contest.
Still; fair enough. Dangerous Waters has AI subs, for example.
*tbh, all I'm saying is don't expect it, but consider it a bonus if it's there. imho it's about realistic expectations, since any dicussion is besides the point untill we have confirmation whether or not wolfpacks are included.