Pterodactyls are left intact, but it is an uneasy world when these two should brush, however lightly, against the tail feathers of the other. Stay tuned for the TED talk. The ages-long friction shows all the makings of a catastrophe but to date the enmity has been muted. But where there is friction, there is someone who has found a way to make money from it and smile the smile of indecorously-straightened teeth.
Each remains discreet and winning and ... well, you know what I mean.
Someone will fix it.