Is It Okay To Give Opinion On Non-English Site In A Local Language And English Attribution?

In episode 113 of Semantic Mastery's weekly Hump Day Hangouts, one participant asked if it's okay to give an opinion on non-English site in a local language and English attribution.
The exact question was:
Hi guys,
I have a question about content curation: is it ok to give opinion on non english site in local language and english attribution?Thx
