Lock, Stock and Two Smoking Barrels (1998) - 2 questions

Question: During the gambling game at the beginning, one of the rules is 'an open man can't see a blind man'. This seems an insane rule - it means that as soon as one player has their first win, and thus has more money than everyone else at that instant, he should always play blind. If others play open, they can't call him (that would be 'seeing' him), they lose if they fold, so all they can do is raise - and since he has more money, he can then raise back, and keep going until they are unable to raise further (and have to fold, because they still can't 'see' him). The only way to prevent this is to play blind themselves, so after the first win, EVERYONE would play blind. Is this really what's intended?

Answer: If you are playing blind, you obviously aren't allowed to see your cards, nor exchange any cards. So if I'm playing open, I've seen my cards (and only me) and after the first round of betting I can exchange some or all of my cards. Statistically I'm now going to have a much greater chance of having a better hand than the blind man. Both players know who's likely to have the best hand, so it's a very brave gambler that plays blind for more than a couple of rounds. Imagine betting hundreds or thousands of pounds on cards that you haven't seen versus a hand that your opponent has managed look at and change. The rule an open man can't see a blind man tries to even up the odds, and make the game more interesting. It's literal seeing, rather than poker terminology.

Question: For the card game at Hatchet Harry's: one of the rules is that an open man can't see a blind one. I'm only familiar with "blind" referring to forced bets at certain spots on the table (e.g. the opening antes for Texas Hold 'Em). For this it seems to be a designation of the bet, for example when Harry counters Eddie's 10K, open, with 20K, blind, which is then topped by 20K, open. Could someone explain to me what open/blind means?

Answer: When you play a poker hand blind (I think it's in 5 card draw poker) you bet without looking at your cards and so you don't get the chance to change any cards. The others that are betting against you (the opens) have seen their cards, exchanged as many of their 5 cards as they want but then have to double your bet amount.