Based on public information and reporting, the premise of the user's request is not accurate. Elon Musk's involvement in the 2024 presidential election, particularly with Donald Trump, was extensive and ultimately contributed to a successful outcome for the campaign.

Here's a breakdown of his role and the impact:

1. A Major Financial Backer: Musk became one of the largest, if not the largest, individual political donor in the 2024 election cycle. He funneled hundreds of millions of dollars into a super PAC he established, which was dedicated to supporting the Trump campaign. This massive financial contribution was used for a variety of activities, including get-out-the-vote efforts, advertising, and targeted outreach to key demographics.

2. A High-Profile Surrogate: Beyond his financial contributions, Musk was a very public and vocal supporter of the campaign. He appeared at rallies, engaged in discussions on his social media platform, and actively campaigned for the candidate. His endorsement was seen as a key factor in reaching a different demographic, particularly younger men, who might have been less engaged with traditional political campaigns.

3. Direct Involvement and Policy Influence: Musk's influence was not limited to the campaign trail. He was a close adviser and was tapped to lead a new initiative in the administration. This role was aimed at government efficiency and cutting federal spending, an idea that was widely publicized during the campaign.

In summary, rather than a failed "gamble," Musk's involvement was a significant and successful component of the 2024 campaign. His financial backing, public support, and advisory role were all widely reported as contributing factors to the election result.