These are some plot holes that seem to be bugging a few people, especially critics, and here are some solutions to them. Any questions such as these I will find an appropriate and easy-to-understand answer, I will update this post here with the question and message you that it is answered. 1. Why are other Constructicons running around when Devastator still formed? Back in G1 many decepticons had the same robot form. For example The Seekers. Skywarp, Thundercracker and Starscream all shared the same mold but with different color schemes and personalities. The Constructicons in the movie-verse continuity are like that. Incase Devastator is missing a component like an arm or a leg or even a head, there's another bot nearby to fill in that space. Consider them like a extra wheel. 2. Why is there another bot named Grindor that looks like Blackout and another bot that looks like Bonecrusher? Similar to the question above, Grindor and Blackout were forged from the same mold. They're called army builders. Now remember Blackout has alot of firepower, it would make sense that Megatron would make a bunch of these to bulk up his army. To help understand this watch the Transformers Animated episode Autoboot Camp. Bumblebee approaches Waspinator claiming that they look alike and they must have been forged from the same mold. This applies to Bonecrusher too in the movie-verse continuity. You have a few molds of powerful Decepticons and alot of Energon, wouldn't you wanna bulk up your army and kick some skid-plate? 3. Are the Twins truely racist? This whole racism debate is nothing but BS. Reno Wilson who voiced Mudflap is black himself, and the voice actors, and everyone had no intention of being racist. It's not racism if it's not intentional. The problem is when people see The Twins acting all gangster like that they automatically link it to African Americans and deem in offensive. Thats the problem right there. If you complain the Twins are racist, you're the one whose being racist for thinking they're portraying African-Americas. Tons of people out there act like that, regardless of their skin color. The Twins Skids&Mudflap are kids basically, and this generation of kids are acting like that, with the swearing/rapping etc. they picked that behavior up on Earth because thats probably the closest to their behavior back on Cybertron. The Twins are considered by some as the new Jarjar Binks. To those who think this rewatch The Phantom Menace and rewatch ROTF. Jarjar Binks was an accident-prone idiot and wasn't even funny, just stupid. The Twins were stupid, but their character is based on a behavior that is pretty common in this era, which makes it funny. Plus, the Twins took on the biggest Decepticon in the movie, and they did quite alot of damage to Devastator like busting up the right side of his head. They're kids, they're arrogant and clumsy, it's what kids do. Personally I think this is more fodder added to the cannon that haters launch at this movie. More BS reasons, just ignore it. Why doesn't Optimus know jack about his grandparents or their time? Optimus is an orphan, no one knew he was a prime. If your parents died when you were a baby and someone who had no knowledge about what happened to your parents or who you are, you wouldn't either.