Complex sentence: It's significance is still questioned as all claims supporting the company's relevance were yet made by it's managers and for example Cruz' oppenent Ben Carson did not become very popular even though he involved Cambridge Analytica in his campaign.
Split into simpler sentences: It's significance is still questioned as all claims supporting the company's relevance were made by it's managers. Additionally Cruz' oppenent Ben Carson did not become more popular even though he involved Cambridge Analytica in his campaign.