Hello,
Although I have to admit that I am not very experienced in LL or OD&D it seems to me as if certain stats are way more useful than others. STR, DEX and CON are all very important and useful. CHA is not that bad either, since it's crucial for having retainers. Intellegence basically just gives you additional languages. But especially Wisdom seems to be even less important in my eyes. Of course clerics will have to have a high Wisdom so that they do not suffer an experience point malus. Other than that, it's only purpose seems to be to increase certain saving throws. But since these did not occur very often in our games, it doesn't seem to make a big difference. What is your impression? In order to solve the problem, I thought about allowing players to add their WIS-modifier to listen and search checks. Thematically this would make sense, since WIS is supposed to be the "sixth sense" and the perception of a character. Any thoughts on this?