Eine Alternative:
Somebody is often criticized for doing sth.
or: for something.

"Reproach" erscheint mir recth altmodisch, ich denke, sie ist auch im gegebenen Vorschlag nicht richtig in den Staz intgeriert.

Moreover, xx is often reproached for ...(e.g. she's often reproached for her undiplomatic behaviour).

Moreover, xx is often criticised for ... (e.g. he's often criticised for being too unprofessional).

I don't think "reproach" is necessarily old-fashioned, but it is a formal expression that doesn't suit every occasion.

Or

Moreover, xx is often accused of ...

reproach is about "altmodisch" as the word Vorwurf.
My point

reproach is about "altmodisch" as the word Vorwurf.
My point is you would just as likely here a young teenager say the word "Vorwurf" in a German speaking country as you would the word "reproach" in an English speaking country.
Some yould consider "reproach" too intelectual, but I encourage and appreciate the use of more than the basic "street vocabulary".

reproach is about as "altmodisch" as the word Vorwurf.
My point is you would just as likely here a young teenager say the word "Vorwurf" in a German speaking country as you would the word "reproach" in an English speaking country.
Some yould consider "reproach" too intelectual, but I encourage and appreciate the use of more than the basic "street vocabulary".