But in a high-end conflict, it is not feasible for carrier aircraft to operate next to their mobile airbase.Strawman argument is so often invoked but seldom understood as in your case. Calling it a strawman doesn't make it so because you say so. What I have done is to point out the issue of equivocation between two different platforms that are primarily affected because their base of operation is fixed vs mobile. In simple layman terms, it is an apples and oranges comparison. Carrier platform rightly so is endurance limited because it is operating from limited space. However this drawback is offset by the fact that it is able to operate near from its base of operation since its base is mobile. Ultimately it boils down to on station time. Land based platform has the inverse matrix.
That places the carrier at high risk of being sunk.
So it forces carrier aircraft to operate much further away from the carrier, with the subsequent reduction in endurance and time on station.