Why should we look at it like a standard regular figure? Its labelled as a DX.I don't get the argument that DX-07 had two figures at a lower price. It was a decade ago. Those who turn their head for this reason should look at a standard regular HT figure that they bought within the last 6 months. That's what this should be compared to. If you compare this to DX-07, then you should compare every trooper or character at this era to the similar prices of 2010.
Second, I never liked BD headsculpt. I chased after DX-07, but always dreamed of using non-BD headsculpt. The DX-25 headsculpt is far more resembles MH than DX-07.
Regarding reused parts, I think HT knows most DX-07 owners would skip this (I would if I had one), they are mainly releasing this for those who missed DX-07. Upgraders will be few in number. So, they might have considered there's no need to go for full R&D on this figure.
Charge 500 and give us a second battle damaged figure again. Make it at least feel different from a regular release.