According to @EricBalchunas, tech functions as this era’s digital railroads, and he is not worried about Magnificent Seven concentration because these companies are driving generational transformative change (source: Eric Balchunas, X post, Aug 10, 2025). He describes the modern infrastructure as "tech rails," framing mega-cap tech concentration risk as less concerning in the current market context (source: Eric Balchunas, X post, Aug 10, 2025). No cryptocurrencies or digital assets were referenced in the post (source: Eric Balchunas, X post, Aug 10, 2025).