Column Name isn't changing / set as defined in the [Column(string name)] Attribute

using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel;

namespace Blockwoche.Models
{
    public class IdeaViewModel
    {
        [Key]
        [Display(Name = "ID")]
        public long _Id { get; set; }
        [Column("UserId")]
        [ForeignKey(nameof(ApplicationUser.Id))]
        public virtual ApplicationUser? User { get; set; }
        [Required]
        [StringLength(50)]
        public required string Title { get; set; }
        [Required]
        [StringLength(255)]
        public required string Description { get; set; }
        /*[Required]
        [StringLength(255)]
        public required List<string> Category { get; set; }*/
        [Required]
        [Display(Name = "Posted At")]
        [DataType(DataType.DateTime)]
        public DateTime CreatedDate { get; set; }
        [Required]
        [DefaultValue(true)]
        public bool isPublic { get; set; }
    }
}