This toilet issue has been discussed plenty. Personally, I think that part of what you are getting with a FC seat is priority access to the bathrooms.

Some say that using the bathroom is a "necessary" fuction, hence it should be available to anyone. I wouldn't presume to walk into an airline club lounge if I weren't a member and use their bathrooms, just because it's a necessary bodily function. In the airport, as in the air, there are public bathrooms or coach bathrooms.

After hundreds of posts though, I don't think either side of the issue has ever convinced the other.

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