Becoming a threat to their collective interests is an inevitable outcome whether they do or do not use their position to put a thumb on the scales of socialist movements around the world.
This is an unavoidable contradiction. At some point or another the collective capitalist world WILL see unify around it. Periods of socialist growth and socialist retraction are going to continually occur until the contradiction resolves itself. Socialists should do everything in their power during the growth periods so that the effect of the retraction periods are lessened.