Putin could get the Eastern Ukraine without firing a shot.
Information war is going on and RT, while never being trustworthy, is extra untrustworthy now. Parties are interested in producing the propaganda to moralize their supporters and demoralize opponents. Ukraine claims the videos were staged.
Here is something humorous from Russian propaganda department. Google translated link from Russian to English.
Notice the comments below and see how much happiness this fake news creates in Ruskies.