Are Longswordsmen finally a good unit? (AoE2)

With +1 melee armor and some upgrade discounts, are longswordsmen in castle age good now?

0:20 Improvements to Longswordsmen
1:26 The obvious answer why people don't make Longswords
2:05 Longsword stats
2:30 Upgrade cost
3:15 Macro factors in favor of knights
4:10 Longswordmen's advantage
5:10 vs Knights (including Japanese, Goths)
7:35 vs Crossbows
8:12 vs Skirmishers
8:35 vs Pikemen
9:17 vs Eagle warriors
9:35 vs Huskarl
10:18 vs Buildings
10:38 Do they need a buff?

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Game: Age of Empires II Definitive Edition