The key words here being “reportedly” and “Other sources both support and deny this account”.Before he became pope and while serving as Archbishop of Buenos Aires, Cardinal Jorge Mario Bergoglio reportedly privately urged his fellow Argentine bishops in 2010 to signal the Church’s public support for civil unions, as a compromise response to calls for same-sex marriage.[5] Fellow bishops rejected the idea.[5] Other sources both support and deny this account.[6][7] At that time Argentina already permitted civil unions, and was debating a bill to allow same-sex couples to marry and adopt children.
The best one can say is that even Wikipedia admits the facts are disputed.
I won’t comment on the morality aspect, but I’ll just point out that in most countries the Church has no veto right (or actually, no say whatsoever) on whatever the legislative organs choose to do. “Allowing civil unions” are not something she can do. What she can do is expressing her position about the societal choices which are being made and the laws which are being passed.Allow civil unions for homossexual couples