At Compile time DefaultValueAttribute will not impact the produced IL and it will not be study to initialize the property to that benefit (see DefaultValue attribute isn't working with my Car Property). The issue is "what is the primary difference...", but one of the most voted solutions react with "in https://maxestatesgurgaon.family.blog/2025/03/28/trinity-sky-palazzos-gurgaons-luxury-benchmark/