Not foolish if it satisfies an itch. People have spent a good deal more to satisfy their curiosity. Way I see it, if you're satisfied with the result, it's worth the expense.
I liked the Christmas Cheers and still have some tins in the bins, along with a few other McC Virginias.
McClelland looked for leaf from certain parts of the plant, hand picked when ripe, in the traditional manner. When federal subsidies to tobacco farmers went away, a lot of growers looked to more profitable, less labor intensive crops. Like other quality manufacturers, McClelland had their own stockpiles and it was becoming more difficult to find replacements that they thought would give them the results that they wanted. Mike McNeil's health had suffered from the heavy labor involved in their processing methods.
Also, their tobaccos went through a lot of processing to get their unique house flavor, and a lot of that was Mike McNeil watching the gauges, heat and pressure, and controlling that process. A recipe would not have been able to share that instinctive knowledge.
Lastly, they weren't going to whore out their baby. It's pretty rare that a subsequent manufacturer turns out s superior product. They had a great 40 year run.