No I don't think it's crazy... I just sold some of my mulberry bags to fund a mono speedy b 25 actually but I love crossbody bags and love it. ( satchel styles, small cross body and totes are my favourite styles hinge why I now own a speedy b 25, Eva and neverfall mm from LV)The reason LV do so many bags is because everyone has different tastes.
The only thing I wouldn't sell would be your mc cles. Once they discontinue it you would find it hard to replace. Also if your thinking of a DE,DA or mono cles then they won't go up much plus they won't take as long to save for as in LV terms they are one of the cheaper items .
I think if I had gotten a 25, things would be different right now because from what I've seen and read the 25 doesn't have as much of these issues. I also love crossbody bags, but I don't actually own much of those. A lot of mine are actually top handle -_- I'm dying for more shoulder bags, especially one hobo, and more crossbody. I think the Eva is so pretty, but I just don't do well with zippers so I prefer the Favorite. I also want a Neverfull at some point, but it's not a priority because I have a couple Michael Kors totes that do me just fine for now. I would like to make my collection more versatile at this point.