If its a question of "I have no other qualifying expenses left", I agree. The only drawback in that case is cashflow. If its a decision between funding contributions not specifically related to the 56 day period and another expense that qualifies for forgiveness, it is a very different situation. This should be a last resort, not a decision between expense A and Expense B.
The vast majority of practitioners should refer this to the client's tax advisor, and should not be handing out advice on PPP loans. This is especially true if you are picking up your own knowledge on the subject from other people's abstracts, even when authored the legendary panda himself