One of my biggest pet peeves is flagrant overuse of "deep". Everything is so deep around around here these days... > since the ReLU function is itself a spline

One of my biggest pet peeves is flagrant overuse of "deep". Everything is so deep around around here these days... > since the ReLU function is itself a spline basis (a so-called truncated linear spline) and happens to span the same functional basis as B-splines of the same degree. ... you literally just spelled out the entire "depth" of it.