Conspicously missing from Disney's website is any statement prohibiting using FP after the window. Here's the exact verbiage:
Please keep in mind:
1 FASTPASS tickets are only valid on the day of issue.
2 Everyone in your party using the FASTPASS ticketholder entrance must have a FASTPASS ticket.
3 There's a limit to the number of FASTPASS tickets you may have at one time. On your ticket will be printed the time at which you can get your next one. Disney's FASTPASS Service machines won't issue another ticket until the time stated on your current one.
They list specific limitations/requirements such as each rider MUST [emphasis added] have a FP ticket, FP tickets are ONLY [emphasis added] valid on the DAY [emphasis added] of issue, etc. They could have easily added one more bullet that states "FP MUST be used within the window printed on the ticket." But for SOME reason, they chose to omit this from their list of restrictions. hmmmm....
So, may I ask again, what is the reason for return window? I am sorry but I do not see that just because thay did not put "return only" or "must be used during" lines on FP, return window somehow loosing its meaning.
Other specifications you pointed out have nothing to do with that but address questions visitor might have,
1. FP valid today, you cannot use it 2 days from now even so 3pm-4pm happens every day.
2. FP is individual pass, everyone must have it.
3. No, you cannot get another FP right away.
You want to tell me people would not ask those questions if they would not be printed?
When to return however is clear, you have no questions here when you look at your FP.
Interesting enough by looking at those Q/A and comparing them with Operational Reminders you can see contradictions.
You can have ONE LESS FP,
You can enter FP line IF YOU MISS THE WINDOW
So the very language of Operational Reminders suggests exceptions. You MISSED YOU WINDOW, meaning you were suppose not to but for whatever reason you missed it. They do not say, look at time and as long as it is not early, let person in, they suggest you missed your window.
So, was late FP allowed, yes, based on exception, could I use one less FP, yes, based on exception, was I meant to do it, no, it was just an exception.
So, setting aside any feelings you have, and your need to justify and defend yoursef, which really not needed because moral issue seems to bother only you and few other people here but definitely not me, and looking at this objectively,
did you follow intended rules or did you follow exceptions?