even if one thinks they are "trading" on insider info, how does one think companies gobble up parcels of land into a bigger parcel piece by piece. By also trad

even if one thinks they are "trading" on insider info, how does one think companies gobble up parcels of land into a bigger parcel piece by piece. By also trading on insider info (that they want the whole large area). It's not considered illegal or immoral in a real estate context.