There's a direct quote from the company.

According to a statement sent to The Verge by Eddie Garcia on behalf of Nintendo, it says preorders will no longer begin on April 9th:

"Pre-orders for Nintendo Switch 2 in the U.S. will not start April 9, 2025 in order to assess the potential impact of tariffs and evolving market conditions. Nintendo will update timing at a later date. The launch date of June 5, 2025 is unchanged."

I'm also in Europe.