I'm a bad neighbor

I've never been very good at being neighborly . . . I rarely accepted beer from the guys who are now moving out from nextdoor (moving out because they graduated, of course--I'm not so awful I'd drive people away . . .)
and I know that it's really the wrong foot to be on, criticizing our new neighbor before she's even moved in, but here's what someone dropped off yesterday:


I mean, who could help being a bit, um, hesitant about such an item . . .

not that our more-dirt-than-grass, more oil-stain-than-cement back yard/parking spot is so classy, but come on . . .