Yes, they did.

But I think that the main reason is that Brazil's elections were a lot dirtier and a lot more unreliable than Switzerland's.

What I mean is that the push towards e-voting is much stronger in countries with unreliable elections, because e-voting is harder to tamper than the crude ways you can defraud paper ballots.

Switzerland's and other organized countries have elections that are "good enough", so the push towards e-voting is probably not that strong.

Is the "leapfrog" concept. Sometimes it is easier to adopt newer technologies in places where the existing ones are horrible. Other examples: electronic payment systems, solar panels and EVs in India and Africa.