Alternatives?
Nikon Z6III, Z8 or Z9 plus Nikon Z 100 - 400mm or 180 - 600mm.
Sony A7IV, A7V, A9 family or A1 plus Sony 200mm - 600mm.
Leica Sl3 with an L mount 100 - 400 or 200 - 600 lens.
Yes some of the cameras are 24Mb but unless you are cropping the living daylights out your image then...