Is the motivation that asking these questions is going to be used in some way to get better compensation? Could be. But these questions can also be useful as

Is the motivation that asking these questions is going to be used in some way to get better compensation? Could be. But these questions can also be useful as (1) bullshit filters and (2) signalling (that you know your stuff and are not to be toyed with). In particular as to (1): you should be able to readily get answers to these questions; any hint at evasiveness, or a refusal to answer, should be taken as a red flag.