Sure, Its hardly wort loosing Any sleep over, still I couldnt resists researching a bit. As it turns out, most "normal" multi purpose greases has a base oil* that appear to too thin for the very low speeds in bicycle bearings. A thicker base oil, like what is found in Motorex 2000 and the above mentioned Fuchs grease seem more appropriate and more likely to function as intended in low speed bearings, - more so than then the prepacked grease in bearings that are usually intended to go at 1000-10.000 rpm and most multi purpose greases.
*Grease is made from oil And a thickener. Its not "thick" oil.