There’s research into many different formulations that don’t use nearly as much (or in some cases any) toxic materials, solid-state batteries, etc.
Are you taking the critique personally? If so, that’s a misunderstanding. It’s not an attack on you.
It’s simply a fact there’s a LONG way to go on battery tech, and anything we can do to increase power density while decreasing weight is critical to making them more environmentally friendly and sustainable.