People say this about every software innovation when it first appears. It's too heavy. It uses too much CPU. It's bloated.
There's always a subset of computer-savvy people who don't think it's hard to install software, configure machines, use text-only interfaces, monitor their CPU and Memory usage closely... but often they forget that they aren't the majority.
There's always a subset of computer-savvy people who don't think it's hard to install software, configure machines, use text-only interfaces, monitor their CPU and Memory usage closely... but often they forget that they aren't the majority.