The ongoing antitrust trial against Alphabet Inc. (GOOGL  ) (GOOG  ) has offered insights into the company's "Code Yellow" period back in 2019. This has exposed the complexities and internal conflicts between Google's search and advertisement teams.

What Happened: In early 2019, Ben Gomes, the then head of Google search, voiced concerns about the search team becoming too heavily entwined with advertisements, as per the documents shared at the trial.

Google maintains a division between its search and ads teams to foster innovation. However, the company declared a "Code Yellow" emergency when it feared not meeting the search revenue targets for that quarter.

As a countermeasure, engineers from Google's search and Chrome browser teams were reassigned for seven weeks to investigate why user queries had slowed down.

The trial, now in its eighth week, is examining whether Google has unlawfully sustained its monopoly by spending vast amounts to stifle competition and retain its online search dominance or exclusivity.

Google insists that it has secured about 90% of the search market due to its superior product and that its advancements have benefited the public.

Nonetheless, emails disclosed in court exposed concerns within Google's search team that growth was prioritized over innovation.

Why It Matters: The friction between Google's search and advertisement teams highlights a critical aspect of the tech giant's operations.

It was previously reported that in 2021, Google spent $26.3 billion to maintain its default search engine status on various platforms. This significant expenditure indicates the importance Google places on maintaining its dominant position in the search market.

Earlier, emails from Sundar Pichai, CEO of Alphabet Inc., also revealed his apprehensions about the "optics" of Google's deal with Apple (AAPL  ). These concerns underline the balancing act Google must perform to maintain its search engine supremacy while avoiding potential antitrust violations.