Usually not. AceStream requires good upload bandwidth from the swarm. If everyone watches but no one seeds (uploads), the stream dies. You can help by limiting your upload speed to 1–2 Mbps so you don’t choke your own download.
However, if you live in Spain, Germany, the UK, or the US—where copyright trolls actively monitor P2P networks—using an AceStream ID to watch Movistar La Liga could land you a costly fine and an angry letter from your ISP. acestream id movistar la liga
For the most reliable and legal experience, it is recommended to use official providers like Movistar Plus+ or DAZN depending on your region. Usually not