Anime is a deeply diverse medium that produces hundreds of series, which can be both exciting and intimidating. Anime is a medium that continues to evolve and there’s something to be learned from the unique series that dominate each decade. There’s nothing wrong with modern anime, but some audiences haven’t been drawn into it. It’s entirely possible that these audiences might be anime fans whose tastes are more in line with the classical retro series from decades earlier.
Source:https://www.cbr.com/10-best-retro-anime-for-new-fans/