Childermass does consider it but, obviously, has reservations. Begging the Starlight's pardon, he doubts the Summer Maiden would take on someone who disturbs the rest of her people so, much less would he care to be the one who finds the end of her goodwill with the trouble the carnival has already brought to her doorstep just for asking...

Overall, his answer is Very Unsure About That. The Starlight might believe differently but Childermass doesn't have much confidence in anything left in him (though he won't say that out loud).