Case insensitive string key dictionary

Demo.cs

static TextInfo textInfo = new CultureInfo("en-US", false).TextInfo;
static List<string> names = ["KaRen", "YelEna", "BiLL"];
private static void CaseInsensitiveDictionary1()
{

    Dictionary<string, string> userDictionary = new(StringComparer.InvariantCultureIgnoreCase)
    { { "karen", "Developer advocate" }, { "yelena", "Manager" }, { "bill", "Web master" }, };


    foreach (var name in names)
    {
        Debug.WriteLine(userDictionary.TryGetValue(name, out var title) ?
            $"{name,-10}{textInfo.ToTitleCase(name),-10}{title}" :
            $"{name} not found");
    }
}

private static void CaseInsensitiveDictionary2()
{
    StringDictionary userDictionary = new() 
        { { "KaRen", "Developer advocate" }, { "yelEna", "Manager" }, { "biLL", "Web master" } };

    foreach (var name in names)
    {
        Debug.WriteLine(userDictionary.ContainsKey(name)
            ? $"{name,-10}{textInfo.ToTitleCase(name),-10}{userDictionary[name]}"
            : $"{name} not found");
    }
}