All the complaints about style translate to "doesn't look like a goddamn MacBook" - we know that Apple invented design, so anything that isn't trying to look like an Apple product must not be using any.
After all, all the other laptop manufacturers have obliged, what's Lenovo's problem?
The Tesla/Edison thing does tend to get overstated a bit, but your last example doesn't actually include any contributions from Edison.
It's precisely the system that Westinghouse and Tesla were advocating, and the adoption of which Edison tried to stop because he was so invested in DC power distribution. It's not like he invented the concept of direct current itself.