1.) a team ascends, has to fight tooth and nail to get to champs because then they drop into the ascension tournament. If they are eliminated due to being unlucky then they might have their players stolen because talented players don't want to waste one year in tier 2 instead of a year in tier 1, therefore making them weaker and forcing them to find weaker alternatives
2.) poor phrasing, it doesn't encourage you losing games, it doesn't punish you enough, e.g. mibr
3.) franchising does affect the length of the career cause the number of slots is limited, NA can only field 6-7 duelists MAX, anyone else is surplus, forcing anyone in the duelist slot to be in the hot seat and there is nowhere to fall back on
4.) I give this one to you
5.) it has to do with franchising because having more than 3 events + stages will force riot to increase their spending and they do not find it profitable