As a fan of discounts and bargains, I love coupons and promo’s that offer value at a lesser price. However, what you were originally asking for here was a discount to solve a specific use-case that you’re experiencing. This is where I think it becomes impractical (read: unreasonable).
And your argument about incurring yet another upgrade path is as much nonsense as the plethora of forum posts complaining about being FORCED to upgrade. You buy what works for you and use it. No one forces you to upgrade to another version.
Seriously, software may be conceivably different from hardware in a technical or physical sense, but as a marketable product it is (and should be) treated conceptually the same.