Relevant cases are 1633 and 1624 with ♦J10 in hand (if declarer has 5 card or longer clubs he would bid over 4s; if he does not hold both missing honors in diamonds he can't go wrong).
In both cases it would be normal for declarer to finess in ...
The mass-market game and an attemt to beat champions are, of course, completely different kettles of fish.
Then, during 20 years since the times of zone.com the AI technology has been developed by leaps and bounds; current level have been unimaginable.
In case, say, Bill Gates become frustrated with the game and invests some millions into developing a deep-learning bridge playing machine, I'll give it three years, at maximum - five.
Otherwise, if it remains a realm of enthusiasts with limited budgets, it won't happen anytime soon.
> Lots are saying they are playing the later but leading 3./lowest instead.
Sorry, can you please explain what do you mean? Isn't the only questionable case a 7 card suit, which seems to be non-issue to me?
I lead 8 from 8x (though I probably wont lead the suit if partner have not bid it), 6 from 86x and 864x, 7 from 97643.
I lead 2 from Q92, probably 3 from J83 (though may choose to lead 8), 5 from T52. From KT3 I'll lead T ...