i have noticed this as well. but so far no problems with my car. i have also heard other v8s and v10s (bmw m5) start up after not being used for more than a day and it seems like the cranks are pretty long as well. i dont think this issue is limited to our cars.
Current: 2013 F10 M5 & 2013 GLK350
997.1 GT3RS (gone)
2009 WRX STI (gone)
e92 M3 (gone)