Unexpected behaviour of `MultiField.scale`

The setup:

import nifty8 as ift
import numpy as np

dom = ift.UnstructuredDomain([1])
mdom = {"a": dom, "b": dom}

fld = ift.from_random(mdom)
fld2 = ift.from_random(mdom)

I would expect the following line to fail since the argument of scale is not a scalar.

fld3 = fld.scale(fld2)

But it doesn't.

Does it at least compute something sensible?

for kk in mdom.keys():
    assert np.all(fld[kk].val * fld2[kk].val == fld3[kk].val)

No.