Unfortunately their hotels are quite inconsistent. Some of the ICs are in the same league as the top brands (many of the properties in China for example), some are clearly not but still relatively good and some are nowhere near.

It still shows that in the past IC was a stand alone brand and was combined with the other brands via an acquisition. They just glued the loyalty programs together. That is wht you have the Ambassador program for the ICs and the Gold/Platinum program for the other brands.
Unfortunately they never re-branded the weaker ICs and never completely integrated the loyalty programs.

I believe it would be about time for a more consistent brand experience. Personally I am usually pretty satisfied with what ICs offer, but especially many their Resorts and some of the older properties need either a major overhaul or a rebrand.