Based on what I've read, sounds like a good tax accountant is what they need...
I would agree with this: "They've dealt with many mutual fund salespeople, who I think are woefully unqualified to help then in "retirement planning"."
Sales does not equal retirement planning.
Have they tried running some numbers themselves? Bucking conventional wisdom, I've learned it can be tax advantageous to start winding down your RRSP before you're forced to at age 71. Again, another Daryl Diamond fan here:
If they already know how to buy ETFs, they understand their asset allocation and risk profile, they are well ahead of most Canadians who invest.