Avoid this

DeepViewModel.cs

using System;

namespace DeepObjects.Models
{
	internal enum CatStatus
	{
		Outstanding
	}

	internal sealed class CatDetails
	{
		public CatStatus Status { get; set; }
		public string CatMessage { get; set; }
	}

	internal sealed class Cat
	{
		public CatDetails Status { get; set; }
	}

	internal sealed class IndexViewModel
	{
		public Cat Cat { get; set; }
	}
}

Page.cshtml

@model IndexViewModel
@{
    ViewData["Title"] = "guaranteed problem page";
}

<div class="text-center">
    <h1 class="display-4">Welcome</h1>
    @if(string.IsNullOrEmpty(Model?.Cat?.Status?.CatMessage))
    {
        <p>What is happening to me....?</p>
        <p>Why am I here?</p>
    }
</div>