I think this was a massive overreaction on your part.
I agree with the above comments that it was more likely he didn't see you.
Filtering isn't a right. If there's no room you can't do it and you tried to force your way through swearing all the way.
What if the caravan rolled back? The black car, frightened by you, lurched forward?
You put yourself in a potentially dangerous situation when there were other options available to save yourself exactly 0 minutes.
We've all done it but the key to safe, progressive riding is knowing when you are at fault and adjusting your riding or attitude accordingly.
