The only benefit to taking points or miles is that you might get a bit more for it, depending on how you value them. Most road warriors have an excess of the former but are not always the best paid people in the world. They may also not be so keen to explain to their partner why they've blown a few £100 on something intangible!
Accepting miles might be tricky because you may get stung over redeeming them (we all know hard it is to get BA premium seats to anywhere outside the US) and you have the hassle of sending the money for the airport tax over to whoever issues the tickets for you.
PC points could be useful but you already have a lot of those! And Starwood or Hilton points are useless given that you want to be an IC given your status.
Decisions, decisions ....