It could be argued that its approach is contingent, the only thing it can do. This could be true in terms of the fighting )I don't have the evidence to judge) but keeping the negotiation channel open is clearly a deliberate choice; others in the same position have acted differently.

I also remember reading a statement that Boris Johnson had expressed a concern that the Ukraine might give in too easily, but I can no longer find the reference, it might explain his eagerness to visit in person.