In a certain sense, you didn't "vote on" the sanctions, but, when the system works as it should (prior to the current US administration, for instance) these kinds of decisions that affect international infrastructure are made with broad consensus---including the approval of people you _did_ vote for, or at least the approval of other nations whose interests are broadly aligned with yours.
This alignment of interests has reduced the transaction costs of building global systems like payments infrastructure, because of the assumption that parties with the technical ability to control their functionality will be constrained implicitly by international norms. I wouldn't dismiss this outright as "hegemony"---it worked well for a long time---but it's natural in the current political context to wonder if assuming good faith from all parties involved will be as reasonable in the coming decades as it was in the past.
Remember that the EU was actively working with Iran to find a solution that works for everyone, while Trump on his own reinstated the sanctions.
This argument could have been made in years past, but now, when sanctions can be reinstated by a single mad man instantly, the argument no longer holds.
You are not following recent (6 months) news, are you.
Nothing you write is valid anymore, unfortunately. We didn't want it, but have no say in the matters whatsoever. Maybe this isn't so visible to US person, fed daily with strongly biased US news, but outside world sees this pretty clearly and is darn annoyed.
The parent comment is right, we need alternatives that are actually beneficial to (World - US), which is > 95% of the mankind.
This alignment of interests has reduced the transaction costs of building global systems like payments infrastructure, because of the assumption that parties with the technical ability to control their functionality will be constrained implicitly by international norms. I wouldn't dismiss this outright as "hegemony"---it worked well for a long time---but it's natural in the current political context to wonder if assuming good faith from all parties involved will be as reasonable in the coming decades as it was in the past.