How Bad Was The BMP-1?

The Soviet BMP infantry fighting vehicle is the center of some very mixed opinions. As is typical with Soviet designs, many claim that it was a horribly cramped deathtrap. While the BMP-1 did have some shortcomings, it is one of the most significant armored fighting vehicles every created. I hope I can explain why.
Check the channel "About" section for the link to the creator of my profile picture.
Sources:
Soviet Armor and Artillery Design Practices - Marine Corps Intelligence Activity
BMP-1 Soviet Armoured Fighting Vehicle in Detail - Jan Martinec, Jaroslav Spacek
BMP-1 (1964-2000) - Sergey Melyshev
Tank Battles of the Cold War, 1948-1991 - Anthony Tucker-Jones
Bradley vs BMP: Desert Storm 1991 - Mike Guardia
BMP Infantry Fighting Vehicle 1967-94 - Steven J. Zaloga
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