"Yes I know we are talking very low chance of it not happening...

"Yes I know we are talking very low chance of it not happening but it can't be ruled out (disruptive battery tech using alternate chemicals/materials being the biggest threat)."

Even if that does happen, we are safe for at least 5 years, probably 10+ by the time some alternative tech actually makes it to market in any meaningful way; with all the scaling, proving, and tooling that needs to happen.

Relax, it's all good