Healer issues in PVP

[Canadane]

just wondering but where both of you whm? I have a friend that hates double whm for pvp and would rather be a dps then to play like that (does not have sch or ast yet)
she says 2 whm is too gimped in pvp and hates playing it. She hates how her divine seals and regens can be overwritten by normal ones and feels useless when she casts medica II while the other does so, at least useless compared to any other healer mix. She does this hoping someone else would change to sch or ast since she can't

But you can stack multiple regens and medica 2's. Nothing is overridden.