Not sure which sites you have been at, or if this reference is a result of the trailer's plumbing, however, my first stay at the Fort, with our camper, I failed to realize the higher pressure coming out at the sites. It was so much that inside or TT it was leaking at the various fittings. That's when I, after some "investigation", realized I needed a Pressure Reducer. Since I didn't have one on that trip, We ended up using the hose to keep filling our Fresh water tank and just used the "Pump" for our water needs. In that way, the pressure was much reduced.
Now I have an inline pressure regulator. It works well, and the pressure is more than adequate for us. I will say, however that the shower pressure/flow is probably better in a cabin because the showers in TT/5ers/RVs are LOW FLOW for multiple reasons, primary probably being that the "Storage" tank sizes (for both fresh and waste water).
Of course I'd agree as well that if it's a choice between MY camper and the cabin, it's mine every time too. I suppose it's that emotional attachment, But the rental option versus a cabin is a tougher call. Lots of factors to consider. As you point out the size of things (although some 5ers are just like home). We are in the process of trading our 2005 Coachman 27tbs in for a Coachman Catalina 343qbds. My FIL described it as, "It's not a camper, it's a mobile home". Even the shower is almost normal size.
If not for the DW though, I'd be happy with a Pup Tent (okay maybe a little larger than that).