Nio - Their battery swap stations make no sense. Tesla explored this many years ago in their early days but ditched it for good reason, it's way more expensive to scale then building out an EV charging infrastructure. And Battery-As-A-Service is a terrible idea to, which is why no one else has adopted the strategy. If it weren't for them pursuing these bad strategies then Nio would be a lot more viable IMO.
Rivian - This company simply moves WAY too slow to be successful. It took them 12 years ...