Yes Russia invaded and is occuping Ukraine.  But if people really took the moral high ground seriously as implied by this statement, and applied this principle uniformly, then all the occupations should be resisted including supporting...

Funding for Moldova in order to expel Russia
Funding for Georgia in order to expel Russia
Funding for Syria, in order to expel the United States, Israel and Turkey,
Funding for Palestine in order to expel Israel
Funding for Cyprus in order to expel Turkey
Funding for Azerbaijan and Armenia in order to expel each other
Funding for Sahrawi Arab Democratic Republic in order to expel Morocco